How many people here generally buy used?

1984 Khorns purchased used in 2002 for 3K
Volti audio Khorn upgrades new in 2019
2 pairs of  Klipsch THX subs/amps used
Caver 350 monoblocks used
Mytek BB DAC new
SBooster DC power supply for DAC new
VPI turntable demo (+/- used)
New cartridge
Cambridge CXC transport new
Cables new
Room treatment DIY
UberBuss line conditioner new
40 amp breaker new
10/2 dedicated line new

I have generally bought new though mostly I try to get the best value for my money which has often been demo gear or last years model heavily discounted.  Effectively a full warranty for a few finger prints. 
Used is something I consider only if I know someone who can fix it!

75 % used, mostly purchased here at Audiogon because i feel that the guy selling gear here is passionate about the hobby and would probably take better care than an EBay seller. IMHO

Just finished piecing together my first 2 channel system and was super aggressive with negotiating prices for used things and getting a good deal. 
Pair B&W CM9 S2 - $600 (some scratches in cabinets but drivers and are pristine and sound quality is unaffected - was bound to happen anyway with toddlers in the house. Yesterday I came home to paw patrol stickers covering the “booboos” on the cabinets)
McIntosh 2205 - $1,500 (in mint condition from original owner, stored in original box for last 20 years, an incredible find!)
2 X 15ft. 12 AWG Sewell cables off Amazon -  $58

Currently just using iPad Pro 1/4” headphone jack into phono input on the amp. In all, I cannot believe how powerful and clear this combo is. After finding these deals it’s going to feel like massively diminishing returns if I ever buy high-end new equipment. I’m sure I will someday, but not until I’m settled in a forever house and kids are further along! 

I do..as long as the seller provides multiple angles of the products and honest about the defects. I also have to check the feedback left for the seller all this time.